CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:cowperso
Submission time:2021-10-05 20:33:54
Language:C++11
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#3ACCEPTED65
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s2details
#3ACCEPTED0.01 s3details

Code

#include <iostream>
#include <algorithm>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    uint64_t n, ntest;
    cin >> n >> ntest;
    n /= 2;

    while (ntest--) {
    uint64_t x, y;
    cin >> y >> x;
    --x;
    --y;

    uint64_t xdist = min(x, 2*n - x - 1);
    uint64_t ydist = min(y, 2*n - y - 1);

    uint64_t kierros = n - min(xdist, ydist);
    uint64_t tulos = 4*(n*n - kierros*kierros);

    if (x == n - kierros)
        tulos += y - x + 1;
    else if (y == n + kierros - 1)
        tulos += 4*kierros + x - y - 1;
    else if (x == n + kierros - 1)
        tulos += 4*kierros + x - y - 1;
    else if (y == n - kierros)
        tulos += 8*kierros + y - x - 3;

    cout << tulos << '\n';
    }
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 100
1 1
1 2
1 3
1 4
...

correct output
1
36
35
34
33
...

user output
1
36
35
34
33
...

Test 2

Group: 2

Verdict: ACCEPTED

input
1000 1000
371 263
915 322
946 880
53 738
...

correct output
773533
312166
206053
200080
593922
...

user output
773533
312166
206053
200080
593922
...

Test 3

Group: 3

Verdict: ACCEPTED

input
1000000000 1000
177757853 827347032
409613589 419171337
739269360 256524697
328695530 896842209
...

correct output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...

user output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...